<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		
		<meta charset="utf-8">
		<title></title>
		<!-- jQuery -->
		<script src="js/jquery-3.6.0.min.js" type="text/javascript" charset="utf-8"></script>
		<!-- popper -->
		<script src="js/popper.min.js" type="text/javascript" charset="utf-8"></script>
		<!-- 加载bootstrap css样式 -->
		<link rel="stylesheet" href="css/bootstrap.min.css" />
		<!-- 加载bootstrap js脚本 -->
		<script src="js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
		
	</head>
	<body>
		<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
		  <a class="navbar-brand" href="#">某管理系统</a>
		  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
		    <span class="navbar-toggler-icon"></span>
		  </button>
		  <div class="collapse navbar-collapse" id="navbarNav">
		    <ul class="navbar-nav">
		      <li class="nav-item active">
		        <a class="nav-link" href="#">首页 <span class="sr-only">(current)</span></a>
		      </li>
		     <li class="nav-item dropdown">
		             <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-expanded="false">
		               功能
		             </a>
		             <div class="dropdown-menu" aria-labelledby="navbarDropdown">
		               <a class="dropdown-item" href="#">Action</a>
		               <a class="dropdown-item" href="#">Another action</a>
		               <div class="dropdown-divider"></div>
		               <a class="dropdown-item" href="#">Something else here</a>
		             </div>
		           </li>
		      <li class="nav-item">
		        <a class="nav-link" href="#">帮助</a>
		      </li>
		      <li class="nav-item">
		        <a class="nav-link disabled">Disabled</a>
		      </li>
		    </ul>
		  </div>
		  <div class="text-right">
		  	<div class="mui-input-row">
		  		<input type="text" placeholder="用户名">
				<input type="text" placeholder="用户名">
				<button type="button" class="mui-btn mui-btn-blue">登录</button>
		  	</div>
		  </div>
		</nav>

	</body>
</html>
